For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Concentration of Credit Risk (Details) - property	12 Months Ended
Concentration of Credit Risk (Details) - property	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Concentration Risk [Line Items]
Number of properties	50
Pennsylvania [Member]
Concentration Risk [Line Items]
Number of properties	21
Revenues [Member] \| Ahold N.V. [Member] \| Product [Member]
Concentration Risk [Line Items]
Percentage of concentration risk	14.00%	13.00%	12.00%